"I'm just very happy I didn't have to burn unnecessary energy." — Roger Federer reflecting on his stroll into the semi-finals with a straight sets victory over Mario Ancic.
"It's my first semi-final, so levels are a little bit different. To beat Federer you need to be Nadal and run around like a rabbit and hit winners from all over the place." — Marat Safin on what he needs to beat Federer in the semi-finals.
"I completely zoned out. I don't even remember the question." — Serena Williams struggles to stay focused after her straight sets doubles victory, alongside sister Venus, over Bethanie Mattek and Sania Mirza.
"I would have been in college, I would have probably been modeling, and then I probably would have been a music producer and a choreographer." — Venus Williams in little doubt about how her life would have turned out without tennis.
"His forehand was ridiculous." — Andy Murray explains one of the reasons his lost in straight sets to Rafael Nadal.
"I think I gonna win." — Rafael Nadal is asked who would win a match between Rafael Nadal from 2008 and Rafael Nadal from 2007.